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Commit e5bf216a authored by Fabio Estevam's avatar Fabio Estevam Committed by Wolfram Sang
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i2c: imx: Check the return value from clk_prepare_enable() 



clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 2212a852

drivers/i2c/busses/i2c-imx.c

+3 −1
Original line number Diff line number Diff line
@@ -312,7 +312,9 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx) 


	dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);



	clk_prepare_enable(i2c_imx->clk);

	result = clk_prepare_enable(i2c_imx->clk);

	if (result)

		return result;

	imx_i2c_write_reg(i2c_imx->ifdr, i2c_imx, IMX_I2C_IFDR);

	/* Enable I2C controller */

	imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);